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Liquid droplet generator valve
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Patent number 5,052,440
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Issue date Oct 1, 1991
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Grumman Aerospace Corporation
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Arthur M. Frank
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Sun shield
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Patent number 4,637,447
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Issue date Jan 20, 1987
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The United States of America as represented by the administrator of the Natio...
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Arthur M. Frank
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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Solar heating system
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Patent number 4,378,784
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Issue date Apr 5, 1983
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Grumman Aerospace Corporation
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Arthur M. Frank
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F24 - HEATING RANGES VENTILATING
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Solar heating system
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Patent number 4,347,836
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Issue date Sep 7, 1982
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Grumman Aerospace Corporation
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Arthur M. Frank
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F24 - HEATING RANGES VENTILATING
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Solar heating system
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Patent number 4,329,979
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Issue date May 18, 1982
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Grumman Aerospace Corporation
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Arthur M. Frank
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F24 - HEATING RANGES VENTILATING